20171114080328_add_index_domain_to_email_domain_blocks.rb (281B)
- class AddIndexDomainToEmailDomainBlocks < ActiveRecord::Migration[5.1]
- disable_ddl_transaction!
- def change
- add_index :email_domain_blocks, :domain, algorithm: :concurrently, unique: true
- change_column_default :email_domain_blocks, :domain, from: nil, to: ''
- end
- end